1612001803238 has 8 divisors (see below), whose sum is σ = 2418115114488. Its totient is φ = 805963431744.

The previous prime is 1612001803231. The next prime is 1612001803267. The reversal of 1612001803238 is 8323081002161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1612001803198 and 1612001803207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612001803231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18681131 + ... + 18767222.

It is an arithmetic number, because the mean of its divisors is an integer number (302264389311).

Almost surely, 2^{1612001803238} is an apocalyptic number.

1612001803238 is a deficient number, since it is larger than the sum of its proper divisors (806113311250).

1612001803238 is a wasteful number, since it uses less digits than its factorization.

1612001803238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37469878.

The product of its (nonzero) digits is 13824, while the sum is 35.

Adding to 1612001803238 its reverse (8323081002161), we get a palindrome (9935082805399).

The spelling of 1612001803238 in words is "one trillion, six hundred twelve billion, one million, eight hundred three thousand, two hundred thirty-eight".